You can use Google search (but not click on the links), use GMail, Google Talk, Google Reader (but not see any images on the blogs you are reading), Google Calendar, Google Maps, Google Checkout, Google Docs, and so on.

A few people at the conference seem only barely inconvenienced by the arrangement and most seem to be able to get work done! I can't help feel like I'm experiencing some dystopian version of the Internet from 10 years in the future.

If we want people to have the same degree of user autonomy as we've come to expect from the world, we may have to sit down and code alternatives to Google Docs, Twitter, and EC2 that can live with us on the edge, not be run by third parties.